Half Round Tube Shield Half Round Tube Shields by Ladhani Metal Corporation are precision-engineered components used to protect boiler and heat exchanger tubes from erosion, scaling, and high-temperature corrosion. These shields are widely applied in industrial systems exposed to thermal cycling, aggressive gases, and particulate flow. Their half-round shape allows for simple and secure installation over straight or curved tube surfaces, extending tube life and reducing maintenance needs. SS 304 U Type Outer Half Round Tube Shield The SS 304 U Type Outer Half Round Tube Shield is designed specifically to protect the outer arc of U-bend tube sections in boilers, superheaters, and heat exchangers. Made from SS 304, a widely used austenitic stainless steel with excellent formability and corrosion resistance, this shield provides effective protection against erosion, scaling, and oxidizing environments. Its outer U-type configuration covers the exterior curve of the return bend, where flame impingement, high-velocity gas flow, and particulate abrasion are most likely to occur. • Outer U Type Half Round Tube Shield – Shields the external curvature of U-bends from thermal stress, hot gas erosion, slag buildup, and oxidation. Ladhani Metal Corporation manufactures and exports SS 304 U Type Outer Half Round Tube Shields with precision fit and durable construction, ideal for a wide range of industrial heating and thermal transfer systems. Chemical Composition of SS 304 – Austenitic Stainless Steel • Carbon (C): ≤ 0.08% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.045% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 18.0 – 20.0% • Nickel (Ni): 8.0 – 11.0% • Iron (Fe): Balance Applications: Suitable for moderately corrosive and high-temperature environments involving flue gases, steam, and airborne particulates. Uses • Protection of outer arcs of U-bend tubes in superheaters and reheaters in power plants • Shielding tube bends in chemical and petrochemical heat exchangers exposed to steam and flue gases • Coverage for WHRB return bends where outer surfaces face direct gas or slag contact • Ideal for boilers, condensers, and heaters operating under cyclic thermal and mechanical stress • Used in coastal, marine, and industrial environments requiring stainless steel durability and corrosion resistance Features • Good corrosion resistance – Chromium-nickel austenitic alloy resists oxidation, steam corrosion, and mild chemical exposure. • Outer bend protection – Designed specifically to guard the most exposed curve of the U-bend, where erosion and wear are concentrated. • High-temperature stability – Performs reliably under operating temperatures up to 870°C with minimal scaling or deformation. • Custom engineered – Precisely manufactured to match the tube’s radius and diameter for stable, secure placement. • Easy to install – Mountable using clamps, stainless steel banding, or tack welds, with no need for system disassembly. • Economical and reliable – Offers a cost-effective solution for extending tube life and reducing repair intervals. Applications • thermal power stations – Installed on the outer curves of U-bend tubes in high-temperature zones to resist flue gas erosion and thermal degradation. • chemical processing plants – Shields outer tube surfaces in heaters and exchangers exposed to steam and chemical-laden air. • waste heat recovery systems – Protects external bend arcs from particulate erosion and thermal cycling in HRSGs and WHRBs. • food and beverage industry – Used in heat exchangers and process heaters where cleanliness and corrosion resistance are required. • marine and industrial boilers – Applied in environments where exposure to saline air and high heat demands dependable surface protection. Conclusion The SS 304 U Type Outer Half Round Tube Shield by Ladhani Metal Corporation is an effective and reliable solution for protecting the outer curves of U-bend tubes in boilers and heat exchangers. Manufactured from high-quality SS 304, it offers dependable corrosion and erosion resistance under thermal stress. Customizable for various tube sizes and easy to install, this shield helps reduce wear, extend equipment life, and improve overall system efficiency in power, chemical, and industrial heating applications. For technical consultation, custom orders, or quotations, please contact Ladhani Metal Corporation.
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